请睁开眼睛看这张照片。

Qǐng zhēngkāi yǎnjing kàn zhè zhāng zhàopiàn.

Please open your eyes and look at this photo.

你眼睛不舒服吗，要不要去检查一下？

Nǐ yǎnjing bù shūfu ma, yàobuyào qù jiǎnchá yíxià?

Are your eyes uncomfortable? Do you want to go have them checked?

她的眼睛很大，很好看。

Tā de yǎnjīng hěn dà, hěn hǎokàn.

Her eyes are big and very pretty.